CN102094722B - Air assist start stop methods and systems - Google Patents
Air assist start stop methods and systems Download PDFInfo
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- CN102094722B CN102094722B CN201010589175.2A CN201010589175A CN102094722B CN 102094722 B CN102094722 B CN 102094722B CN 201010589175 A CN201010589175 A CN 201010589175A CN 102094722 B CN102094722 B CN 102094722B
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- cylinder
- valve
- accumulator
- motor
- force value
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B21/00—Engines characterised by air-storage chambers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D17/00—Controlling engines by cutting out individual cylinders; Rendering engines inoperative or idling
- F02D17/04—Controlling engines by cutting out individual cylinders; Rendering engines inoperative or idling rendering engines inoperative or idling, e.g. caused by abnormal conditions
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N11/00—Starting of engines by means of electric motors
- F02N11/08—Circuits or control means specially adapted for starting of engines
- F02N11/0814—Circuits or control means specially adapted for starting of engines comprising means for controlling automatic idle-start-stop
- F02N11/0818—Conditions for starting or stopping the engine or for deactivating the idle-start-stop mode
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N9/00—Starting of engines by supplying auxiliary pressure fluid to their working chambers
- F02N9/04—Starting of engines by supplying auxiliary pressure fluid to their working chambers the pressure fluid being generated otherwise, e.g. by compressing air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N99/00—Subject matter not provided for in other groups of this subclass
- F02N99/002—Starting combustion engines by ignition means
- F02N99/006—Providing a combustible mixture inside the cylinder
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/04—Introducing corrections for particular operating conditions
- F02D41/042—Introducing corrections for particular operating conditions for stopping the engine
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N11/00—Starting of engines by means of electric motors
- F02N11/08—Circuits or control means specially adapted for starting of engines
- F02N11/0814—Circuits or control means specially adapted for starting of engines comprising means for controlling automatic idle-start-stop
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Abstract
The invention relates to air assist start stop methods and systems. In one exemplary embodiment of the present invention, a method of controlling an engine having a plurality of cylinders is provided. The method includes: selectively releasing stored air from an accumulator to a first cylinder of the plurality of cylinders; and controlling at least one of fuel and spark to a second cylinder of the plurality of cylinders during a compression stroke of the second cylinder, where the second cylinder is a next available cylinder to fire.
Description
Technical field
Exemplary embodiment of the present invention relates to engine system, and relates more specifically to the method and system for starting and stop motor.
Background technique
In some cases, internal-combustion engine starts operation by means of electric starter and storage battery.High power (such as, the electric current of 200-600 ampere) is supplied to electric starter by storage battery.Use this power, motor rotates or engine on.
This start up system provides the cost of increase to engine system.In addition, this start-up operation may produce wearing and tearing on the engine.Thus, expect can when not using starter motor and storage battery starting apparatus combustion engine.
Summary of the invention
In one exemplary embodiment of the present invention, a kind of control is provided to have the method for the motor of multiple cylinder.Described method comprises: storage air is optionally discharged into the first cylinder described multiple cylinder from accumulator; And at least one control during the compression stroke of the second cylinder in described multiple cylinder in the fuel of the second cylinder and spark, wherein, the second cylinder is the available cylinder of the next one that will light a fire.
Scheme 1. 1 kinds of controls have the method for the motor of multiple cylinder, and described method comprises:
Storage air is optionally discharged into the first cylinder described multiple cylinder from accumulator; And
Control at least one in the fuel of the second cylinder and spark during the compression stroke of the second cylinder in described multiple cylinder, wherein, the second cylinder is the available cylinder of the next one that will light a fire.
The method of scheme 2. according to scheme 1, wherein, is optionally discharged into the first cylinder by storage air from accumulator and occurs when the first cylinder is in expansion stroke.
The method of scheme 3. according to scheme 2, also comprises: control motor to stop the first cylinder at expansion stroke.
The method of scheme 4. according to scheme 1, also comprises: in accumulator, store the air coming from the first cylinder.
The method of scheme 5. according to scheme 5, also comprises: regulate the storage air in accumulator based on pressure threshold.
Scheme 6. 1 kinds of engine control systems for engine system, described engine system comprises the motor with multiple cylinder, and described control system comprises:
First valve, is communicated with the first cylinder fluid of motor; With
Engine start module, by optionally controlling the first valve to be discharged into the first cylinder and by controlling at least one in the fuel of the second cylinder and spark during the compression stroke of the second cylinder of motor by storing air, described engine start module ato unit, wherein, the second cylinder is the available cylinder of the next one that will light a fire.
The control system of scheme 7. according to scheme 6, wherein, when the first cylinder is in expansion stroke, engine start module selective ground controls the first valve so that storage air is discharged into the first cylinder.
The control system of scheme 8. according to scheme 7, also comprises engine stop module, and described engine stop module selective ground controls motor to stop the first cylinder at expansion stroke.
The control system of scheme 9. according to scheme 6, also comprises:
Second valve, is communicated with the first cylinder fluid; With
Pressure memory module, described pressure memory module optionally controls the second valve to keep coming from the air pressure of the first cylinder in accumulator.
The control system of scheme 10. according to scheme 9, wherein, the second valve is at least one in passive check valve and ACTIVE CONTROL valve.
The control system of scheme 11. according to scheme 6, wherein, the first valve is ACTIVE CONTROL valve.
Scheme 12. 1 kinds of vehicles, comprising:
There is the motor of multiple cylinder;
Accumulator, is communicated with the first cylinder fluid in described multiple cylinder, and wherein, accumulator stores air;
Be arranged on the first valve between the first cylinder and accumulator; And
Control module, by optionally controlling the first valve to be discharged into the first cylinder and by controlling at least one in the fuel of the second cylinder and spark during the compression stroke of the second cylinder of motor by storing air, described control module ato unit, wherein, the second cylinder is the available cylinder of the next one that will light a fire.
The vehicle of scheme 13. according to scheme 12, wherein, motor has four cylinders, and wherein, the first cylinder is primary importance cylinder, and the second cylinder is the 3rd position cylinder.
The vehicle of scheme 14. according to scheme 12, wherein, when the first cylinder is in expansion stroke, control module optionally controls the first valve so that storage air is discharged into the first cylinder.
The vehicle of scheme 15. according to scheme 14, wherein, described control module controls motor to stop the first cylinder at expansion stroke.
The vehicle of scheme 16. according to scheme 14, also comprises the second valve be arranged between the first cylinder and accumulator, and wherein, the second valve controls the air pressure in accumulator.
The vehicle of scheme 17. according to scheme 16, wherein, the second valve is at least one in passive check valve and ACTIVE CONTROL valve.
The vehicle of scheme 18. according to scheme 14, wherein, the first valve is ACTIVE CONTROL valve.
Above-mentioned Characteristics and advantages of the present invention and further feature and advantage apparent by reference to the accompanying drawings from the following detailed description for implementing optimal mode of the present invention.
Accompanying drawing explanation
Other object, feature, advantage and the details mode by means of only example in the following detailed description of embodiment manifests, and below describes in detail with reference to accompanying drawing, in the accompanying drawings:
Fig. 1 shows the functional block diagram of the engine system of the engine start/halt system comprised according to exemplary embodiment;
Fig. 2 shows the data flow diagram of the control module of the engine system according to exemplary embodiment; With
Fig. 3 shows the flow chart of the engine start/stopping method according to exemplary embodiment.
Embodiment
Below describing is only exemplary in essence, and is not intended to restriction the present invention, application or use.Should be understood that, in the accompanying drawings, corresponding reference character represents identical or corresponding parts and feature.As used herein, term " module " refers to the processor (shared, special or group) of specific integrated circuit (ASIC), electronic circuit, the one or more software of execution or firmware program and storage, combinational logic circuit and/or provides other suitable parts of described function.
With reference now to Fig. 1, block diagram shows the exemplary engine system 10 of vehicle 11, and engine system 10 comprises the engine start/halt system according to exemplary embodiment.Engine system 10 comprises motor 12, and motor 12 combustion air and fuel mixture are to produce driving torque.Shown motor 12 is the quartastroke engines according to aspirating stroke, compression stroke, expansion stroke and exhaust stroke operation cylinder.Be understandable that, engine start/halt system can be applicable to various internal combustion engine configurations and is not limited to this example.
In the exemplary engine system 10 shown in Fig. 1, in the operation period of motor 12, air is drawn in intake manifold 14 by closure 16.Closure 16 regulates the MAF entering intake manifold 14.Air in intake manifold 14 distributes to cylinder 18a-18d.Although show four cylinder 18a-18d, be understandable that, engine start/halt system of the present invention can be implemented in the motor 12 with multiple cylinder, includes but not limited to 2,3,4,5,6,8,10 and 12 cylinders.
Each cylinder 18a-18d and fuel injector 19, suction valve 20, outlet valve 24 and optionally spark plug 22 are connected.Such as, fuel injector 19 injects fuel into cylinder 18a(such as, directly sprays) in.Fuel with by suction port, the air be drawn in cylinder 18a is combined.Fuel injector 19 can be associated with electronics or machine fuel ejecting system sparger, for the nozzle of vaporizer that fuel is mixed with inlet air or another system or port.Fuel injector 19 is controlled to provide in cylinder 18a expects air-fuel (A/F) ratio.In various other embodiments, motor 12 is rare operation motors, and wherein, fuel injector 19 is controlled in cylinder 18a and provides expectation fuel quantity.
Suction valve 20 optionally opens and closes to allow air to enter cylinder 18a.Suction valve position is regulated by admission cam shaft 26.Air/fuel mixture in piston (not shown) compression cylinder 18a.In various embodiments, spark plug 22 starts the burning of air/fuel mixture, thus drives the piston in cylinder 18a.Piston then driving crank (not shown) to produce driving torque.When outlet valve 24 is in enable possition, the burning and gas-exhausting of cylinder 18a is forcefully discharged relief opening.Exhaust valve positions is regulated by exhaust cam shaft 28.Exhaust leaves motor 12 by gas exhaust manifold 30, processed in vent systems (not shown), and is released to air.
In order to start the operation of motor 12, provide according to engine start/halt system 32 of the present invention.Engine start/halt system 32 comprises accumulator 34 and one or more valve 36,38, and with single cylinder 18a, 18b, 18c or 18d(hereinafter referred to as cylinder 18 of motor 12) be associated.In various embodiments, described one or more valve 36,38 is arranged between the first cylinder 18a and accumulator 34 along one or more pipeline 40,42.Be understandable that, engine start/halt system 32 can be associated with any one cylinder 18 of motor 12 and be not limited to this example.
In the example of fig. 1, pressure controlled valve 36 is controlled selectively to load accumulator 34 with the pressure coming from the first cylinder 18a.In various embodiments, pressure controlled valve 36 is passive check valves.Pressure-relief valve 38 be controlled selectively with by the storage earth pressure release in accumulator 34 to the first cylinder 18a.In various embodiments, pressure-relief valve 38 is ACTIVE CONTROL valve (that is, spark-ignition direct-injection (SIDI) ejector type valves).Pressure transducer 44 senses the pressure in accumulator 34 and produces pressure signal based on this.
Control module 46 receives pressure signal and each other engine sensor signal, and controls motor 12 and engine start/halt system 32 based on this.Generally speaking, control module 46 manages storage and the release of pressure in accumulator 34, and controls startup and the stopping of motor 12 based on managed pressure.
With reference now to Fig. 2, data flow diagram shows each embodiment of the engine start/halt system that can be embedded in control module 46.Can comprise according to each embodiment of engine start/halt system of the present invention and be embedded in any amount of submodule in control module 46 and/or database.Be understandable that, the submodule shown in Fig. 2 can combine and/or segment further to control engine system 10 similarly.The input of control system can sense from vehicle 11, from vehicle 11 other control module (not shown) receive and/or determined by other submodule (not shown) in control module 46.In each embodiment shown in Fig. 2, control module 46 comprises pressure memory module 50, engine stop module 52 and engine start module 54.
Pressure memory module 50 receives by pressure transducer 44(Fig. 1) pressure signal 56 that generates is as input.Based on pressure signal 56, pressure memory module 50 manages accumulator 34(Fig. 1) in amount of pressure.In one example, pressure memory module 50 carrys out pilot pressure control valve 36(Fig. 1 via control valve control signal 57) synchronously to sample from first cylinder 18a(Fig. 1) pressure that discharges, until pressure signal 56 indicates accumulator 34(Fig. 1) in pressure reach predetermined threshold.Pressure memory module 50 generates force value 58, and force value 58 indicates according to the current pressure level of pressure signal 56 and/or indicates whether to meet threshold pressure.
Engine stop module 52 receives engine stop request 60 and force value 58 as input.Engine stop request 60 can based on engine system 10(Fig. 1) one or more operating conditions produce.In one example, engine stop request 60 produces based on the driving situation of motor 12, such as, and the prolongation idling conditions when not having car speed.In each other example, engine stop request 60 stops request producing, to close vehicle 11(Fig. 1 based on igniting).
Based on engine stop request 60, engine stop module 52 assesses force value 58.If force value 58 indicated pressure level is enough to restart motor 12(Fig. 1), so engine stop module 52 generates one or more spark control signal 62, throttle control signal 63, suction valve control signal 64, outlet valve control signal 66 and/or fuel control signal 68, with the 12(Fig. 1 that kills engine).In various embodiments, engine stop module 52 generates described one or more signal 62-68, makes and engine start/halt system 32(Fig. 1) cylinder that is associated expanding/expansion stroke stops.Assuming that the example of Fig. 1, engine stop module 52 generates described one or more signal 62-68, makes motor 12(Fig. 1) first cylinder 18a(Fig. 1) stop at expansion/expansion stroke.
If force value 58 indicated pressure level is not enough to restart motor 12(Fig. 1), so motor 12(Fig. 1) stopping be delayed by, until met sufficient stress level.In various embodiments, can at engine start/halt system 32(Fig. 1) the upper diagnostic method that performs to be to guarantee postponing motor 12(Fig. 1) stopping before can meet stress level.
Engine start module 54 receives engine start request 70 and force value 58 as input.Engine start request 70 can based on engine system 10(Fig. 1) one or more operating conditions produce.In one example, engine start request 70 is based on motor 12(Fig. 1) driving situation and/or vehicle condition (such as, let slip the clutch and/or release brake petal) produce.In each other example, engine start request 70 produces based on the igniting request of opening, with powered vehicle 11(Fig. 1).
Based on startup request 70, engine start module 54 assesses force value 58 to determine whether to store ato unit 12(Fig. 1) abundant pressure.If force value 58 indicated pressure level is enough to restart motor 12(Fig. 1), so engine start module 54 generates control valve control signal 72, optionally to open and close pressure-relief valve 38(Fig. 1) so that ato unit 12(is Fig. 1).In various embodiments, engine start module 54 generates described control valve control signal 72, to open pressure-relief valve 38(Fig. 1 when expecting engine start).Pressure-relief valve 38(Fig. 1) be controlled in enable possition with by accumulator 34(Fig. 1) in storage air be discharged into cylinder 18(Fig. 1) in, to carry out rotary engine 12(Fig. 1 by cylinder spark chance next time).Once dynamo exploder can occur next time, pressure-relief valve 38(Fig. 1) be controlled in closed position, thus accumulator 34 can be loaded for starting-stopping event next time.
Be discharged into cylinder 18(Fig. 1 based on air) in, engine start module 54 also control by occur dynamo exploder next time can cylinder 18c(Fig. 1) fuel spray and spark regularly.In various embodiments, engine start module 54 is at pressure-relief valve 38(Fig. 1) generate fuel control signal 74, with control cylinder 18c(Fig. 1 when being in enable possition) fuel.Then engine start module optionally generates spark control signal 76, with control cylinder 18(Fig. 1) in spark with igniter fuel and air mixture.Spark timing can according to traditional spark timing method (that is, top dead center place or near).Engine start module 54 generates fuel control signal 74 subsequently and spark control signal 76, thus with rear cylinder 18a, 18b and 18d then with suitable ignition order supply fuel and igniting, to complete and to keep start-up course.
In one example, as first cylinder 18a(Fig. 1) with accumulator 34(Fig. 1) to be associated and expanding/expansion stroke stop time, engine start module 54 generates fuel control signal 74, thus at pressure-relief valve 38(Fig. 1) when being in enable possition fuel be ejected into the 3rd cylinder 18c(Fig. 1) in (the next cylinder that will light a fire).Then engine start module 54 generates spark control signal 76, to control the 3rd cylinder 18c(Fig. 1 of burner oil) spark.Pressure-relief valve 38(Fig. 1) be then controlled in closed position, thus accumulator 34 can be loaded for starting-stopping event next time.
But, if force value 58 indicated pressure level is not enough to restart motor 12(Fig. 1), so engine start module 54 restarts motor 12 via conventional control signals 78 based on conventional starting method (that is, starter motor).
Turn to Fig. 3 now and continue with reference to Fig. 1 and 2, flow chart shows the engine start/method for controlling stopping that can be performed by Fig. 2 control module 46 of All aspects of according to the present invention.Be understandable that, according to the present invention, the sequence of operation in method is not limited to order shown in Fig. 3 and performs, and can with applicable and perform according to one or more different order of the present invention.
In various embodiments, described method can be scheduled run based on scheduled event and/or run continuously in vehicle 11 operation period.
In one example, method can start 100.In 110 and 120 assessment power operation requests 70,60.When not receiving engine start request 70 110 and not receiving engine stop request 60 120, motor 12 is in operation.130, via pressure controlled valve 36(namely accumulator 34, opens pressure controlled valve 36) load with the pressure coming from cylinder 18.Afterwards, method continues in 110 and 120 monitoring power operation requests 70,60.
When 110 do not receive engine start request 70 and 120 receive engine stop request 60 time, 140 assessment force value 58.If be more than or equal to predetermined pressure threshold in 140 force value 58, so stop motor 12 150, make the cylinder 18(first cylinder 18a be associated with accumulator 34) stop in expansion/expansion stroke.In various embodiments, motor 12 stops by this way via one or more spark control signal 62, throttle control signal 63, valve control signal 64,66 and fuel control signal 68.But if be less than predetermined pressure threshold in 140 force value 58, the stopping so postponing motor 160 continues to load, until meet sufficient stress level 140 to allow accumulator.Afterwards, motors 12 and method is stopped to continue in 110 and 120 monitoring power operation requests 70,60 150.
When receiving engine start request 70 110, the pressure in 170 assessment accumulators 34.If the pressure in 170 accumulators 34 is more than or equal to pressure threshold, so the pressure in accumulator 34 is used to restart motor 12 at 190-230.But, 170, if the pressure in accumulator 34 is less than pressure threshold, so perform the replacing method of ato unit 12 180.
In order to via storage pressure restart motor 12,190, the second valve (V2) 38 by control open, with by earth pressure release to the cylinder 18(first cylinder 18a be associated with accumulator 34) in.Control next igniting cylinder 18(the 3rd cylinder 18c respectively 200 and 210) fuel and spark.Once cylinder 18 completes ignition event, 220, the second valve (V2) 38 is cut out by control.230, with rear cylinder 18(first cylinder 18a, the second cylinder 18b and four-cylinder 18d) fuel and spark be controlled to the startup of motor 12.Afterwards, method continues in 110 and 120 monitoring power operation requests 70,60.
Although the present invention reference example embodiment is described, it will be appreciated by those skilled in the art that and can make various change and equivalent its element alternative, and do not depart from scope of the present invention.In addition, many amendments can be made and be suitable for instruction of the present invention to make concrete condition or material, and not depart from purport scope in fact.Thus, the present invention is not intended to be limited to as imagination for implementing specific embodiment disclosed in optimal mode of the present invention, and the present invention will comprise all embodiments fallen within the scope of the application.
Claims (13)
1. control has a method for the motor of multiple cylinder, and described method comprises:
When receiving engine stop request, the force value of assessment accumulator;
If force value is more than or equal to predetermined pressure threshold, so stop motor, the first cylinder in the multiple cylinders be associated with accumulator is stopped in expansion stroke;
If force value is less than predetermined pressure threshold, the stopping so postponing motor continues to load, until meet sufficient stress level to allow accumulator;
When receiving engine start request and force value is more than or equal to predetermined pressure threshold, storage air is optionally discharged into from accumulator described first cylinder stopped expansion stroke, to promote the first cylinder, until the second cylinder is lighted a fire, wherein, the second cylinder is the available cylinder of the next one that will light a fire; And
Control fuel and the spark of the second cylinder during the compression stroke of the second cylinder in described multiple cylinder, storage air is discharged into the first cylinder simultaneously, with the second cylinder of lighting a fire.
2. method according to claim 1, wherein, is optionally discharged into the first cylinder by storage air from accumulator and occurs when the first cylinder is in expansion stroke.
3. for an engine control system for engine system, described engine system comprises the motor with multiple cylinder, and described control system comprises:
First valve, is communicated with the first cylinder fluid of motor;
Engine stop module, described engine stop block configuration becomes: when receiving engine stop request, the force value of assessment accumulator; If force value is more than or equal to predetermined pressure threshold, so stop motor, the first cylinder in the multiple cylinders be associated with accumulator is stopped in expansion stroke; If force value is less than predetermined pressure threshold, the stopping so postponing motor continues to load, until meet sufficient stress level to allow accumulator; With
Engine start module, pass through when receiving engine start request and force value is more than or equal to predetermined pressure threshold optionally to control the first valve so that storage air is discharged into the first cylinder stopped in expansion stroke, to promote the first cylinder, until the second cylinder is lighted a fire, and by controlling fuel and the spark of the second cylinder during the compression stroke of the second cylinder of motor, storage air is discharged into the first cylinder simultaneously, with the second cylinder of lighting a fire, described engine start module ato unit, wherein, second cylinder is the available cylinder of the next one that will light a fire.
4. control system according to claim 3, wherein, when the first cylinder is in expansion stroke, engine start module selective ground controls the first valve so that storage air is discharged into the first cylinder.
5. control system according to claim 3, also comprises:
Second valve, is communicated with the first cylinder fluid; With
Pressure memory module, described pressure memory module optionally controls the second valve to keep coming from the air pressure of the first cylinder in accumulator.
6. control system according to claim 5, wherein, the second valve is at least one in passive check valve and ACTIVE CONTROL valve.
7. control system according to claim 3, wherein, the first valve is ACTIVE CONTROL valve.
8. a vehicle, comprising:
There is the motor of multiple cylinder;
Accumulator, is communicated with the first cylinder fluid in described multiple cylinder, and wherein, accumulator stores air;
Be arranged on the first valve between the first cylinder and accumulator; And
Control module, described control module is configured to: when receiving engine stop request, the force value of assessment accumulator; If force value is more than or equal to predetermined pressure threshold, so stop motor, the first cylinder is stopped in expansion stroke; If force value is less than predetermined pressure threshold, the stopping so postponing motor continues to load, until meet sufficient stress level to allow accumulator; By optionally controlling the first valve so that storage air is discharged into the first cylinder stopped in expansion stroke, to promote the first cylinder, until the second cylinder is lighted a fire, and by controlling fuel and the spark of the second cylinder during the compression stroke of the second cylinder of motor, storage air is discharged into the first cylinder simultaneously, with the second cylinder of lighting a fire, ato unit, wherein, the second cylinder is the available cylinder of the next one that will light a fire.
9. vehicle according to claim 8, wherein, motor has four cylinders, and wherein, the first cylinder is primary importance cylinder, and the second cylinder is the 3rd position cylinder.
10. vehicle according to claim 8, wherein, when the first cylinder is in expansion stroke, control module optionally controls the first valve so that storage air is discharged into the first cylinder.
11. vehicles according to claim 10, also comprise the second valve be arranged between the first cylinder and accumulator, and wherein, the second valve controls the air pressure in accumulator.
12. vehicles according to claim 11, wherein, the second valve is at least one in passive check valve and ACTIVE CONTROL valve.
13. vehicles according to claim 10, wherein, the first valve is ACTIVE CONTROL valve.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12/638131 | 2009-12-15 | ||
| US12/638,131 US8752519B2 (en) | 2009-12-15 | 2009-12-15 | Air assist start stop methods and systems |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102094722A CN102094722A (en) | 2011-06-15 |
| CN102094722B true CN102094722B (en) | 2015-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010589175.2A Expired - Fee Related CN102094722B (en) | 2009-12-15 | 2010-12-15 | Air assist start stop methods and systems |
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| Country | Link |
|---|---|
| US (1) | US8752519B2 (en) |
| CN (1) | CN102094722B (en) |
| DE (1) | DE102010053697B4 (en) |
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| AT511612B1 (en) * | 2011-06-17 | 2013-01-15 | Ge Jenbacher Gmbh & Co Ohg | METHOD FOR STARTING AN INTERNAL COMBUSTION ENGINE |
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| US9169787B2 (en) | 2012-05-22 | 2015-10-27 | GM Global Technology Operations LLC | Valve control systems and methods for cylinder deactivation and activation transitions |
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| US9567928B2 (en) | 2012-08-07 | 2017-02-14 | GM Global Technology Operations LLC | System and method for controlling a variable valve actuation system to reduce delay associated with reactivating a cylinder |
| US9032938B2 (en) * | 2012-09-25 | 2015-05-19 | Enginetics, Llc | In-cylinder charging system for fuel delivery systems and methods |
| US20140251267A1 (en) * | 2013-03-07 | 2014-09-11 | Ford Global Technologies, Llc | Method and system for improving engine starting |
| CN103742677B (en) * | 2013-12-23 | 2016-05-18 | 中国航天科技集团公司第六研究院第十一研究所 | A kind of feedway of realizing automatic filling by mechanism |
| EP3101266B1 (en) | 2014-01-30 | 2019-11-06 | Mitsubishi Heavy Industries Engine & Turbocharger, Ltd. | Malfunction diagnosis device and malfunction diagnosis method for internal combustion engine system |
| CN105569901B (en) * | 2014-10-09 | 2017-05-10 | 湖北美标康盛动力科技有限公司 | Pneumatic auxiliary cold start apparatus |
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| FR363609A (en) * | 1906-02-24 | 1906-08-03 | Daimler Motoren | Starting process for internal combustion engines |
| US1363637A (en) * | 1919-05-20 | 1920-12-28 | Brizon Jean | Process and apparatus for starting internal-combustion engines |
| CN1106502A (en) * | 1994-02-04 | 1995-08-09 | 北京市西城区新开通用试验厂 | Auxiliary starting device of automobile |
| CN1673510A (en) * | 2004-03-26 | 2005-09-28 | 伯斯有限公司 | Controlled starting and braking of an internal combustion engine |
| CN101260837A (en) * | 2007-03-08 | 2008-09-10 | 株式会社日立制作所 | Apparatus for and method of controlling a starting operation to restart an engine |
| CN101545441A (en) * | 2008-03-27 | 2009-09-30 | 广西玉柴机器股份有限公司 | Gas starting device of engine |
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| JPS58175185U (en) * | 1982-05-20 | 1983-11-22 | 三菱重工業株式会社 | multistage air compressor |
| ES8601390A1 (en) | 1984-10-22 | 1985-10-16 | Ruiz Guinea Jose M | Kinetic energy utilization system for use with vehicles with internal combustion engine |
| DE3900739A1 (en) * | 1989-01-12 | 1990-07-19 | Man Nutzfahrzeuge Ag | METHOD FOR INCREASING ENGINE BRAKING PERFORMANCE IN FOUR-STROKE PISTON PISTON COMBUSTION ENGINES |
| SE467503B (en) * | 1990-11-23 | 1992-07-27 | Volvo Ab | COMBUSTOR FUNCTION ENGINE |
| DE4309860C1 (en) * | 1993-03-26 | 1994-06-09 | Daimler Benz Ag | Device for control of compressed air in cylinder of IC engine - involves control valve with switch valve down stream from which air is controllable in conduit connected to accumulator or exhaust gas conduit |
| FR2718490B1 (en) * | 1994-04-06 | 1996-07-05 | Solex | Two-stage valve for supplying air to internal combustion engine injectors. |
| DE4439849A1 (en) | 1994-11-08 | 1996-05-09 | Bosch Gmbh Robert | Starting system for IC engine |
| JP3644298B2 (en) * | 1999-03-31 | 2005-04-27 | スズキ株式会社 | Motor drive control device |
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| US20030233999A1 (en) * | 2002-06-24 | 2003-12-25 | Anderson Thomas W. | Regenerative internal combustion engine |
| GB2402169B (en) * | 2003-05-28 | 2005-08-10 | Lotus Car | An engine with a plurality of operating modes including operation by compressed air |
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| US8439002B2 (en) * | 2009-05-28 | 2013-05-14 | Ford Global Technologies, Llc | Methods and systems for engine control |
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- 2009-12-15 US US12/638,131 patent/US8752519B2/en not_active Expired - Fee Related
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2010
- 2010-12-08 DE DE102010053697.0A patent/DE102010053697B4/en not_active Expired - Fee Related
- 2010-12-15 CN CN201010589175.2A patent/CN102094722B/en not_active Expired - Fee Related
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|---|---|---|---|---|
| FR363609A (en) * | 1906-02-24 | 1906-08-03 | Daimler Motoren | Starting process for internal combustion engines |
| US1363637A (en) * | 1919-05-20 | 1920-12-28 | Brizon Jean | Process and apparatus for starting internal-combustion engines |
| CN1106502A (en) * | 1994-02-04 | 1995-08-09 | 北京市西城区新开通用试验厂 | Auxiliary starting device of automobile |
| CN1673510A (en) * | 2004-03-26 | 2005-09-28 | 伯斯有限公司 | Controlled starting and braking of an internal combustion engine |
| CN101260837A (en) * | 2007-03-08 | 2008-09-10 | 株式会社日立制作所 | Apparatus for and method of controlling a starting operation to restart an engine |
| CN101545441A (en) * | 2008-03-27 | 2009-09-30 | 广西玉柴机器股份有限公司 | Gas starting device of engine |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102010053697A1 (en) | 2014-05-08 |
| US20110144894A1 (en) | 2011-06-16 |
| DE102010053697B4 (en) | 2022-03-31 |
| CN102094722A (en) | 2011-06-15 |
| US8752519B2 (en) | 2014-06-17 |
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